Let for all real and for

MATHEMATICS · Subjective · CBSE · Mathematics · Relations and Functions · Relations and Functions

Problem

Let

f(x)=|x|

for all real

x

and

g(x)=\dfrac{1}{x}

for

x\neq 0

. Explain why

(g\circ f)(0)

is not defined even though

f(0)=0

.

Related theory

Browse the problem library